Introductory Pretreatment Workshop · Workshop January 21-13, 2009 Sponsored by: California River...
Transcript of Introductory Pretreatment Workshop · Workshop January 21-13, 2009 Sponsored by: California River...
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Introductory Pretreatment Workshop
January 21-13, 2009
Sponsored by:California River Basin
Water Quality Control Board
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• The industrial boom of the 1950s and 60s brought scenes on the evening news of– Dying fish– Burning rivers– Thick black smog engulfing major
metropolitan areas
The Time Before Pretreatment
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40 CFR Part 40340 CFR Part 403
•• U.S. Code of Federal U.S. Code of Federal Regulations(CFR)Regulations(CFR)>> Title 40 Title 40 -- Protection of the EnvironmentProtection of the Environment
>> Chapter I Chapter I -- Environmental Protection Environmental Protection AgencyAgency
>> Subchapter N Subchapter N -- Effluent Guidelines and Effluent Guidelines and StandardsStandards
>> Part 403 Part 403 -- General Pretreatment Regulations for General Pretreatment Regulations for Existing and New Sources of PollutionExisting and New Sources of Pollution
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Corrosion of Collection System and/or Treatment
Plant
Explosions
Interference with
Wastewater Treatment
Facility
Limitations on Sludge Disposal Options and/or Greater Expense
Injury to Workers from
Hazardous Fumes
Pass-Through of Toxics into
Surface Waters
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40 CFR Part 403 40 CFR Part 403 ObjectivesObjectives
•• To prevent the introduction of pollutants To prevent the introduction of pollutants into into POTWsPOTWs which willwhich will::–– interfere,interfere,–– pass through, and/orpass through, and/or–– be incompatible.be incompatible.
•• To improve opportunities to recycle and To improve opportunities to recycle and reclaim wastewaters and reclaim wastewaters and sludgessludges..
•• To protect POTW workersTo protect POTW workers..
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Who Must Develop a Program?
• POTWs with:– combined design flow > 5 MGD, and– receiving flow from CIUs, and/or– receiving pollutants which pass through
or interfere.• Approval Authority may require program be
developed, regardless.• NPDES State’s may assume responsibility.
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Approval Authorityvs.Control Authority
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Delegated States
EPA
State
-- Industrial UserIndustrial User
-- Approval AuthorityApproval Authority
-- Control AuthorityControl Authority
-- Approval & Control AuthorityApproval & Control Authority
State
POTW
IU IU IU
--Industrial UserIndustrial Userin approved programin approved program
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Non-Delegated States
EPA
State
-- Industrial UserIndustrial User
-- Approval & Control AuthorityApproval & Control Authority
-- Control AuthorityControl Authority
-- NonNon--Delegated StatesDelegated States
POTW
IU IU IU
-- Industrial User in approved progIndustrial User in approved progr
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40 CFR § 403.10(e), States
EPA
-- Industrial UserIndustrial User-- Approval AuthorityApproval Authority
-- Control AuthorityControl Authority
State
POTW
IU IUIU
-- no pretreatment programno pretreatment program
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Local Pretreatment Programs
§ 403.8
§ 403.9
§ 403.11
§ 403.18
• Requirements of a POTW developed pretreatment program
• Contents/legal authority of a POTWpretreatment program
• POTW pretreatment program approval procedures
• Modifications of POTW Pretreatment Programs
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Program Requirements Affecting IUs
§ 403.5
§ 403.6
§ 403.7
§ 403.13
§ 403.15
• General & specific prohibitions
• Categorical standards
• Removal credits
• Variances for fundamentally different factors
• Net/Gross calculation
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POTW and IU Requirements
§ 403.12 • POTW & IU reporting requirements
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Specific IU Rights
§ 403.16 Upset ProvisionsExceptional incident, unintentional, temporary
non-compliance beyond CIU’s control. Negligence NOT a defense
§ 403.17 Bypass ProvisionsIntentional diversion around IU’s treatment
processes. Prohibited unless unavoidable to prevent death, injury, severe property damage, and no feasible alternatives exist. 10-days notice required.
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What Minimum Procedures Make Up a Pretreatment Program?[40 CFR § 403.8(f)(2)]
• Industrial Users– identify, locate, and notify– receive, sample, and analyze– survey, investigate, and enforce
• Public– allow participation– notify of violators
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Minimum Pretreatment Program Procedures, continued[40 CFR § 403.8(f)(2)]
• Additional procedures:– Funding– Local limits– Enforcement Response Plan– SIU list
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Legal Authority, a Must
• State law
• Local regulations– Sewer Use Ordinance(“SUO”)
or– Rules and Regulations
The Backbone of a Local Pretreatment Program
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POTW Legal Authority[40 CFR § 403.8(f)(1)]
• Deny or condition discharges• Require compliance• Control through permit or similar means• Require compliance schedules to comply• Inspect, survey, and monitor• Enforce• Comply with confidentiality requirements• See EPA Model Pretreatment Ordinance
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Resources (40 CFR 403.8(f)(3))
• Personnel• Equipment• Funding
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Local Regulations
• Sewer Use OrdinanceSingle Municipality/District
• Rules and RegulationsMulti-Jurisdictional Authorities/Districts
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General ProhibitionsGeneral Prohibitions– Pass-through - Discharge which
exits the POTW into waters of the U.S. in quantities or concentrations which, alone or in conjunction with other sources, results in a violation of any provision of the POTW’s discharge permit.
– Interference - Discharge which, alone or in conjunction with other sources, inhibits or disrupts the POTW’s treatment processes or sludge disposal practices and is the cause of a discharge permit violation and/or prevents proper sludge disposal.
– Pass-through - Discharge which exits the POTW into waters of the U.S. in quantities or concentrations which, alone or in conjunction with other sources, results in a violation of any provision of the POTW’s discharge permit.
– Interference - Discharge which, alone or in conjunction with other sources, inhibits or disrupts the POTW’s treatment processes or sludge disposal practices and is the cause of a discharge permit violation and/or prevents proper sludge disposal.
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Specific Prohibitions [40 CFR §403.5(b)]Specific Prohibitions [40 CFR §403.5(b)]
(1) Pollutants which create a fire or explosion hazard;(2) Pollutants which will cause corrosive structural damage to the POTW;(3) Solid or viscous pollutants causing obstruction and resulting in interference;(4) Pollutants released at a flow rate and/or concentration causing interference
(1) Pollutants which create a fire or explosion hazard;(2) Pollutants which will cause corrosive structural damage to the POTW;(3) Solid or viscous pollutants causing obstruction and resulting in interference;(4) Pollutants released at a flow rate and/or concentration causing interference
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Specific Prohibitions [40 CFR §403.5(b)]Specific Prohibitions [40 CFR §403.5(b)]
(5) Heat in amounts which will inhibit biological activity in the POTW resulting in interference;
(6) Oils in amounts that will cause interference or pass through;
(7) Pollutants which result in the presence of toxic gases, vapors, or fumes; and
(8) Trucked or hauled pollutants, except at discharge points designated by the POTW.
(5) Heat in amounts which will inhibit biological activity in the POTW resulting in interference;
(6) Oils in amounts that will cause interference or pass through;
(7) Pollutants which result in the presence of toxic gases, vapors, or fumes; and
(8) Trucked or hauled pollutants, except at discharge points designated by the POTW.
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